$OpenBSD: patch-vi_c,v 1.1 2011/06/26 09:48:50 sthen Exp $
--- vi.c.orig	Fri Jul 12 01:48:29 2002
+++ vi.c	Sat Jun 25 23:52:50 2011
@@ -16,7 +16,9 @@
 #include <signal.h>
 #include <curses.h>
 #include <ctype.h>
+#include <unistd.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include "sc.h"
 
 #if defined(REGCOMP)
@@ -39,10 +41,6 @@ void gototop();
 void gotobottom();
 
 #define istext(a) (isalnum(a) || ((a) == '_'))
-
-#define bool	int
-#define true	1
-#define false	0
 
 static void append_line();
 static void back_hist();
